Change in Coherence of Interannual Variability of Summer Rainfall over the Western Pacific around the Early 2000s: Role of Indo-Pacific Ocean Forcing
He, ZQ; Wu, RG; zhuoqi@scsio.ac.cn
2018
发表期刊JOURNAL OF CLIMATE
卷号31期号:9页码:3525-3538
摘要The observations show that the covariability between the western North Pacific (WNP) and the South China Sea (SCS) summer rainfall has experienced an obvious weakening since the early 2000s. During the period 1982-2003, the combined north Indian Ocean (NIO), central North Pacific (CNP), and central equatorial Pacific (CEP) sea surface temperature (SST) forcing results in a high coherence between the WNP and SCS summer rainfall variations via a zonally elongated anomalous lower-level cyclone over the western Pacific. During the period 2004-16, the Indian Ocean SST contribution is largely weakened, and the WNP rainfall variability is dominated by the enhanced Pacific SST forcing with an eastward retreated lower-level wind and rainfall anomalies, whereas the SCS rainfall variability is mainly associated with local air-sea interaction processes. The results obtained from observational analysis are supported by numerical experiments with atmospheric and coupled general circulation models. The change in the coherence of interannual summer rainfall variability over the WNP and SCS has important implications for regional climate prediction in South and East Asia.
部门归属[He, Zhuoqi] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou, Guangdong, Peoples R China; [He, Zhuoqi; Wu, Renguang] Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Numer Modeling Atmospher Sci & Geop, Beijing, Peoples R China; [Wu, Renguang] Chinese Acad Sci, Ctr Monsoon Syst Res, Beijing, Peoples R China
学科领域Meteorology & Atmospheric Sciences
资助项目LTO
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/17076
专题热带海洋环境国家重点实验室(LTO)
通讯作者zhuoqi@scsio.ac.cn
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GB/T 7714
He, ZQ,Wu, RG,zhuoqi@scsio.ac.cn. Change in Coherence of Interannual Variability of Summer Rainfall over the Western Pacific around the Early 2000s: Role of Indo-Pacific Ocean Forcing[J]. JOURNAL OF CLIMATE,2018,31(9):3525-3538.
APA He, ZQ,Wu, RG,&zhuoqi@scsio.ac.cn.(2018).Change in Coherence of Interannual Variability of Summer Rainfall over the Western Pacific around the Early 2000s: Role of Indo-Pacific Ocean Forcing.JOURNAL OF CLIMATE,31(9),3525-3538.
MLA He, ZQ,et al."Change in Coherence of Interannual Variability of Summer Rainfall over the Western Pacific around the Early 2000s: Role of Indo-Pacific Ocean Forcing".JOURNAL OF CLIMATE 31.9(2018):3525-3538.
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